[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided for these Windows Server versions (from Windows Server 2012 to 2025) that are still in support – some need an ESU license.
The updates listed below address the vulnerabilities described in the blog post Microsoft Security Update Summary (March 10, 2026) that are relevant to Windows Server.
Updates for Windows Server 2012 – 2025
A list of updates for Windows Server 2025 can be found on this Microsoft website. Cumulative update KB507874 has been released for Windows Server 2025, which includes security patches and various fixes.
A list of updates for Windows Server 23H2 can be found on this Microsoft website. Cumulative Update KB5078734 has been released for Windows Server 23H2, which includes security patches and various fixes.
A list of updates for Windows Server 2022 can be found on this Microsoft website. The cumulative update KB5078766 has been released for Windows Server 2022, which includes security patches and various bug fixes.
A list of updates for Windows Server 2016 and 2019 can be found on this Microsoft website. I have extracted the relevant update information below. Cumulative update KB5078752 is not only available for Windows 10 2019 Enterprise LTSC etc., but also for Windows Server 2019. The update includes security fixes, improvements, and bug fixes (switch to the Server 2019 tab) listed in the support article.
The cumulative update KB5078938 is available not only for Windows 10 2016 Enterprise LTSC, but also for Windows Server 2016. The update includes security fixes, bug fixes, and improvements, which may be listed in the support article.
Windows Server 2012/R2 will no longer be supported as of October 2023 and will only receive updates with an ESU license. Please note the information on the installation sequence for Windows Server provided by Microsoft in the KB articles.
The update history for Windows Server 2012 R2 can be found on this Microsoft page. Update KB5078774 (Monthly Rollup for Windows Server 2012 R2) has been released for Windows Server 2012 R2 for systems with an ESU license.
The update history for Windows Server 2012 can be found on this Microsoft page. Update KB5078775 (Monthly Rollup for Windows Server 2012) has been released for Windows Server 2012 with an ESU license. It contains security patches and bug fixes.
The updates is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog, via WSUS, and WUfB. Microsoft has also updated the Service Stack Update (SSU). Please note the installation sequence described in the support article, any notes on additional requirements, and any potential issues.
More can be read at my German blog post [use build in translation]. If in doubt, details on the above updates can be found in the respective Microsoft KB articles.
Similar articles:
Microsoft Security Update Summary (March 10, 2026)
Patchday: Windows 10/11 Updates (March 10 2026)
Patchday: Windows Server-Updates (March 10 2026)
Patchday: Microsoft Office Updates (March 10 2026)
